TSXSCA50

Configured for RS485 serial link line extension and single channel tap-off applications, the Schneider Electric TSXSCA50 (TSXSCA50 Passive Tap Junction Box) provides direct physical connection between Modbus devices through a screw terminal interface with integrated RC line termination.

Hardware Specifications

Parameter	Specification
Model	TSXSCA50
Brand	Schneider Electric
Product Type	Modbus Passive Tap Junction Box
Communication Protocol	Modbus
Serial Interface	RS485 serial link
Connection Type	Screw terminal
Application	Line extension and single channel tap-off
Accessory Category	Connection accessories
Accessory Type	Tap junction
Weight	0.52 kg
Power Consumption	Passive device, no external power supply required

Modbus RS485 Physical Layer Connection

The TSXSCA50 is a passive junction accessory designed for Modbus RS485 serial link wiring. The unit provides a tap connection point through screw terminals and supports line extension and single channel tap-off configurations. The device incorporates an RC line terminator for serial communication network termination requirements.

The passive design eliminates the need for auxiliary power and maintains the electrical continuity of the RS485 communication path. Installation requires correct polarity maintenance and appropriate cable routing to preserve signal integrity on the serial bus.

Frequently Asked Questions

Q: Does the TSXSCA50 require an external power supply?
A: No. The TSXSCA50 is a passive tap junction box and operates without an external power connection.

Q: What communication protocol is supported by the TSXSCA50?
A: The TSXSCA50 is designed for Modbus communication over an RS485 serial link.

Q: What type of field connection is used on the TSXSCA50?
A: The unit uses screw terminal electrical connections for RS485 serial wiring.

Field Installation Guidelines

Install the TSXSCA50 in accordance with RS485 network wiring practices. Maintain correct signal polarity between connected devices and avoid routing communication cables parallel to high-voltage power conductors.

Use suitable shielded twisted-pair cable for the serial network where required by the system design. Connect cable shields according to the grounding method specified for the installation environment.

Secure all screw terminals with appropriate torque and verify terminal identification before energizing the communication network. Confirm network termination placement according to the Modbus RS485 topology requirements.

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